Be kind and tireless
As a Chinese idiom, Pinyin is l è sh à Nb à Ju à n, which means to be willing to do good without feeling tired. It's from Mencius, gaozishang.
The origin of Idioms
"Mencius · gaozishang" said: "benevolence, righteousness, loyalty, good and tireless, this Tianjue also."
Idiom usage
Although he does not learn from the ancients, he is implicit in righteousness. He loves others with benevolence, so is his nature. The epitaph of King Shanyang by Gu Yanwu in Qing Dynasty
Be kind and tireless